Home / 39,522.74-54,561.21-30,549.98

Finding the Fourth Proportional to 39,522.74, 54,561.21 and 30,549.98

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Solution

The fourth proportional to 39,522.74, 54,561.21 and 30,549.98 is: 42,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,522.74 : 54,561.21 = 30,549.98 : x
  2. Step 2: Convert to fraction form
    39,522.74/54,561.21 = 30,549.98/x
  3. Step 3: Cross multiply
    39,522.74x = 54,561.21 × 30,549.98
  4. Step 4: Simplify right side
    39,522.74x = 1,666,843,874.28
  5. Step 5: Solve for x
    x = 1,666,843,874.28/39,522.74
  6. Step 6: Final answer
    x = 42,174.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.